[yorkieusa]

I would continue to take him to the park. Don't give up. Perhaps you could take a ball or some outside toy to entice him to relax. Keep taking him. I think he needs to be taken to many and varied places so that he can learn to enjoy all sorts of different experiences. Take him to stores that allow pets. Take him for walks in downtown areas. Take him to park events. Let him learn to enjoy all sorts of different situations. He will become more comfortable with them over time and therefore will become more confident. I think that is what he is lacking - confidence.

As for your living situation, I do believe they do better with living in the same home. Your problem is not uncommon. What you probably need to do is maybe start correcting him if he growls and barks at people passing by the door. Get a spray bottle of water or a can full of pennies and try those things when he growls or barks at passersby. Do you leave the tv on so he doesn't hear those noises so easily?

I hope this can help you some. Would love to know how he does over time.